Defendant Moves to Exclude Causation Evidence in Silica Case

HOUSTON - A defendant in a 14-plaintiff silica case has moved to exclude causation testimony offered by an expert who diagnosed the plaintiffs with silicosis, arguing that it is inadmissible under the Texas's rules of evidence. Alexander, et al. v. Aero Company, et al., No. 2002-54431 (Texas Dist. Ct., Harris Cty.).

In a motion filed Jan. 24, U.S. Silica alleges that the testimony of Jay T. Segarra, M.D., in addition to the plaintiffs' treating physicians, should be excluded because the experts' general and specific causation opinions are not based on competent and reliable scientific evidence. Testimony regarding the plaintiffs' future …